Finding the Fourth Proportional to 1,433.82, 1,978.75 and 804.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.82 : 1,978.75 = 804.32 : x
2. Step 2: Convert to fraction form
   1,433.82/1,978.75 = 804.32/x
3. Step 3: Cross multiply
   1,433.82x = 1,978.75 × 804.32
4. Step 4: Simplify right side
   1,433.82x = 1,591,548.20
5. Step 5: Solve for x
   x = 1,591,548.20/1,433.82
6. Step 6: Final answer
   x = 1,110.01